2017ApJ...844...47R


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.24CET10:20:22

2017ApJ...844...47R - Astrophys. J., 844, 47-47 (2017/July-3)

First large-scale Herbig-Haro jet driven by a proto-brown dwarf.

RIAZ B., BRICENO C., WHELAN E.T. and HEATHCOTE S.

Abstract (from CDS):

We report the discovery of a new Herbig-Haro jet, HH 1165, in SOAR narrow-band imaging of the vicinity of the σ Orionis cluster. HH 1165 shows a spectacular extended and collimated spatial structure, with a projected length of 0.26 pc, a bent C-shaped morphology, multiple knots, and fragmented bow shocks at the apparent ends of the flow. The Hα image shows a bright halo with a clumpy distribution of material seen around the driving source, and curved reflection nebulosity tracing the outflow cavities. The driving source of HH 1165 is a Class I proto-brown dwarf, Mayrit 1701117 (M1701117), with a total (dust+gas) mass of ∼36 MJup and a bolometric luminosity of ∼0.1 L. High-resolution VLT/UVES spectra of M1701117 show a wealth of emission lines indicative of strong outflow and accretion activity. SOAR/Goodman low-resolution spectra along the jet axis show an asymmetrical morphology for HH 1165. We find a puzzling picture wherein the northwest part exhibits a classical HH jet running into a pre-dominantly neutral medium, while the southern part resembles an externally irradiated jet. The C-shaped bending in HH 1165 may be produced by the combined effects from the massive stars in the ionization front to the east, the σ Orionis core to the west, and the close proximity to the B2-type star HR 1950. HH 1165 shows all of the signatures to be considered as a scaled-down version of parsec-length HH jets, and can be termed as the first sub-stellar analog of a protostellar HH jet system.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): brown dwarfs - Herbig-Haro objects - open clusters and associations: individual: σ Orionis - stars: jets - stars: low-mass - stars: winds, outflows - stars: winds, outflows

CDS comments: HH 1064 is not in SIMBAD.

Simbad objects: 50

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Number of rows : 50

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 1333 SFR 03 28 55 +31 22.2   10.9       ~ 1195 1
2 IRAS 04248+2612 Y*O 04 27 57.307 +26 19 18.30           M 142 0
3 V* V1213 Tau Or* 04 31 37.472 +18 12 24.48   19.78       K7 507 0
4 IRAS 04302+2247 Y*O 04 33 16.501 +22 53 20.40           ~ 133 0
5 NAME 32 Ori group OpC 05 27 11 +06 16.0           ~ 29 0
6 HH 505 HH 05 34 40.8 -05 22 39           ~ 14 1
7 HH 131 HH 05 34 42.7 -08 28 07           ~ 7 0
8 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 1924 1
9 HH 201 HH 05 35 11.5 -05 21 54           ~ 38 2
10 HH 401 HH 05 35 11.9 -06 29 38           ~ 14 0
11 NGC 1977 SFR 05 35 16.0 -04 49 15           ~ 179 0
12 M 42 HII 05 35 17.3 -05 23 28           ~ 3682 0
13 HH 33 HH 05 35 19.4 -06 18 03           ~ 59 0
14 HH 502 HH 05 35 27.9 -05 29 35           ~ 9 0
15 V* V418 Ori Or* 05 35 28.6924478531 -04 48 16.435351191     17.0     ~ 16 0
16 HH 34 HH 05 35 31.30 -06 28 43.0     16     ~ 469 2
17 * eps Ori s*b 05 36 12.81335 -01 12 06.9089 0.48 1.51 1.69 1.76 1.93 B0Ia 856 0
18 HH 1 HH 05 36 20.8 -06 45 13           ~ 401 1
19 HH 35 HH 05 36 22.5 -06 41 52           ~ 28 0
20 HH 2 HH 05 36.4 -06 47           ~ 335 1
21 HH 1158 HH 05 38.0 -02 36           ~ 2 0
22 NAME Ori A MoC 05 38 -07.1           ~ 2631 0
23 ESO-HA 1674 Em* 05 38 34.4533228485 -02 53 51.463420258         17.172 M0.0 9 0
24 NAME sigma Orionis Cluster MGr 05 38 42 -02 36.0           ~ 476 0
25 * sig Ori Y*O 05 38 44.7665260139 -02 36 00.284709290 2.54 3.58 3.79 3.87 4.11 O9.5V 734 0
26 Haro 5-27 TT* 05 39 39.8261219095 -02 31 21.866213622 14.589   14.30 13.92 13.073 K5.5 58 0
27 ESO-HA 1736 Em* 05 40 25.7990148082 -02 48 55.415791769         16.538 ~ 7 0
28 HH 1165 HH 05 40 26.48 -02 49 07.7           ~ 3 0
29 HD 37744 V* 05 40 37.2961902857 -02 49 30.847246646 5.14 6.02 6.22     B2IV 134 0
30 HD 294304 * 05 40 57.4660684470 -02 44 16.395533043 10.18 10.32 10.03     B5 13 0
31 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 435 0
32 IC 434 HII 05 41 -02.5           ~ 74 1
33 HD 37806 Be* 05 41 02.2930276072 -02 43 00.729083804 7.67 7.93 7.90     B9/9.5II/III 135 0
34 HD 37886 * 05 41 32.0065566139 -02 58 26.598406966   8.956 8.979 9.67 9.51 B8III 26 0
35 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1138 0
36 HD 37927 *iN 05 41 52.8458585661 -02 47 54.879916887   8.36 8.41     B8III/IV 23 0
37 HH 212 HH 05 43 51.41 -01 02 53.1           ~ 263 1
38 LDN 1630 DNe 05 45.5 -00 59           ~ 346 0
39 HH 311 HH 05 49 57.000 +02 53 12.00           ~ 23 1
40 HH 111 HH 05 51 44.2 +02 48 34           ~ 379 0
41 HH 113 HH 05 53 35.0 +02 43 23           ~ 20 0
42 NAME HH 46-47 HH 08 25 43.6 -51 00 36           ~ 177 2
43 2MASS J11082238-7730277 Y*? 11 08 22.3644100400 -77 30 27.790600663         15.51 M5e 39 0
44 ISO-ChaI 217 pr* 11 09 52.1370847465 -76 39 12.880114192         16.63 M6.25 42 0
45 TWA 27 BD* 12 07 33.467 -39 32 54.00     19.95 17.99 15.88 M8Ve 308 1
46 V* V1192 Sco Or* 16 08 51.4339982240 -39 05 30.468181083     21.9 18.97 18.18 M5 57 0
47 [GY92] 3 Y*O 16 26 21.9083577172 -24 44 39.720788042       17.95 15.62 M6.5 44 0
48 [GY92] 204 Y*O 16 27 06.5924723987 -24 41 48.883697790       17.57 15.43 M5 79 0
49 2MASS J19013357-3700304 BD* 19 01 33.5769494372 -37 00 30.475478822           M6.5 42 0
50 HH 660 HH 20 58 22.2 +43 53 45           ~ 2 0

    Equat.    Gal    SGal    Ecl

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2020.01.24-10:20:22

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